Here's a rowdy, pirate-themed worksheet on irregular verbs. Students read the senteces with the irregular verbs written in simple-present tense. Then they rewrite the sentences in simple-past tense and conjugate the irregular verbs.
Based on the readability scores for this text, Irregular Verbs Worksheet is recommended for students reading at grade levels 1 - 5. This text should be accessible to any student reading at a 1st grade reading level or higher.